mirror of
https://github.com/rust-lang/rust-clippy
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172 lines
6 KiB
Text
172 lines
6 KiB
Text
error: casting `isize` to `i8` may truncate the value
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--> tests/ui/cast_size.rs:15:5
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LL | 1isize as i8;
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| ^^^^^^^^^^^^
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= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
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= note: `-D clippy::cast-possible-truncation` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::cast_possible_truncation)]`
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help: ... or use `try_from` and handle the error accordingly
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LL | i8::try_from(1isize);
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| ~~~~~~~~~~~~~~~~~~~~
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error: casting `isize` to `f32` causes a loss of precision (`isize` is 32 or 64 bits wide, but `f32`'s mantissa is only 23 bits wide)
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--> tests/ui/cast_size.rs:21:5
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LL | x0 as f32;
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| ^^^^^^^^^
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= note: `-D clippy::cast-precision-loss` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::cast_precision_loss)]`
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error: casting `usize` to `f32` causes a loss of precision (`usize` is 32 or 64 bits wide, but `f32`'s mantissa is only 23 bits wide)
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--> tests/ui/cast_size.rs:22:5
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LL | x1 as f32;
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| ^^^^^^^^^
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error: casting `isize` to `f64` causes a loss of precision on targets with 64-bit wide pointers (`isize` is 64 bits wide, but `f64`'s mantissa is only 52 bits wide)
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--> tests/ui/cast_size.rs:23:5
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LL | x0 as f64;
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| ^^^^^^^^^
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error: casting `usize` to `f64` causes a loss of precision on targets with 64-bit wide pointers (`usize` is 64 bits wide, but `f64`'s mantissa is only 52 bits wide)
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--> tests/ui/cast_size.rs:24:5
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LL | x1 as f64;
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| ^^^^^^^^^
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error: casting `isize` to `i32` may truncate the value on targets with 64-bit wide pointers
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--> tests/ui/cast_size.rs:28:5
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LL | 1isize as i32;
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| ^^^^^^^^^^^^^
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= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
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help: ... or use `try_from` and handle the error accordingly
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LL | i32::try_from(1isize);
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| ~~~~~~~~~~~~~~~~~~~~~
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error: casting `isize` to `u32` may truncate the value on targets with 64-bit wide pointers
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--> tests/ui/cast_size.rs:29:5
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LL | 1isize as u32;
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| ^^^^^^^^^^^^^
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= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
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help: ... or use `try_from` and handle the error accordingly
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LL | u32::try_from(1isize);
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| ~~~~~~~~~~~~~~~~~~~~~
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error: casting `usize` to `u32` may truncate the value on targets with 64-bit wide pointers
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--> tests/ui/cast_size.rs:30:5
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LL | 1usize as u32;
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| ^^^^^^^^^^^^^
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= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
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help: ... or use `try_from` and handle the error accordingly
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LL | u32::try_from(1usize);
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| ~~~~~~~~~~~~~~~~~~~~~
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error: casting `usize` to `i32` may truncate the value on targets with 64-bit wide pointers
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--> tests/ui/cast_size.rs:31:5
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LL | 1usize as i32;
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| ^^^^^^^^^^^^^
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= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
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help: ... or use `try_from` and handle the error accordingly
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LL | i32::try_from(1usize);
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| ~~~~~~~~~~~~~~~~~~~~~
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error: casting `usize` to `i32` may wrap around the value on targets with 32-bit wide pointers
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--> tests/ui/cast_size.rs:31:5
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LL | 1usize as i32;
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| ^^^^^^^^^^^^^
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= note: `-D clippy::cast-possible-wrap` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::cast_possible_wrap)]`
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error: casting `i64` to `isize` may truncate the value on targets with 32-bit wide pointers
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--> tests/ui/cast_size.rs:32:5
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LL | 1i64 as isize;
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| ^^^^^^^^^^^^^
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= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
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help: ... or use `try_from` and handle the error accordingly
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LL | isize::try_from(1i64);
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| ~~~~~~~~~~~~~~~~~~~~~
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error: casting `i64` to `usize` may truncate the value on targets with 32-bit wide pointers
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--> tests/ui/cast_size.rs:33:5
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LL | 1i64 as usize;
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| ^^^^^^^^^^^^^
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= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
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help: ... or use `try_from` and handle the error accordingly
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LL | usize::try_from(1i64);
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| ~~~~~~~~~~~~~~~~~~~~~
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error: casting `u64` to `isize` may truncate the value on targets with 32-bit wide pointers
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--> tests/ui/cast_size.rs:34:5
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LL | 1u64 as isize;
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| ^^^^^^^^^^^^^
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= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
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help: ... or use `try_from` and handle the error accordingly
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LL | isize::try_from(1u64);
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| ~~~~~~~~~~~~~~~~~~~~~
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error: casting `u64` to `isize` may wrap around the value on targets with 64-bit wide pointers
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--> tests/ui/cast_size.rs:34:5
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LL | 1u64 as isize;
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| ^^^^^^^^^^^^^
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error: casting `u64` to `usize` may truncate the value on targets with 32-bit wide pointers
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--> tests/ui/cast_size.rs:35:5
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LL | 1u64 as usize;
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| ^^^^^^^^^^^^^
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= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
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help: ... or use `try_from` and handle the error accordingly
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LL | usize::try_from(1u64);
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| ~~~~~~~~~~~~~~~~~~~~~
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error: casting `u32` to `isize` may wrap around the value on targets with 32-bit wide pointers
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--> tests/ui/cast_size.rs:36:5
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LL | 1u32 as isize;
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| ^^^^^^^^^^^^^
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error: casting `i32` to `f32` causes a loss of precision (`i32` is 32 bits wide, but `f32`'s mantissa is only 23 bits wide)
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--> tests/ui/cast_size.rs:43:5
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LL | 999_999_999 as f32;
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| ^^^^^^^^^^^^^^^^^^
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error: casting `usize` to `f64` causes a loss of precision on targets with 64-bit wide pointers (`usize` is 64 bits wide, but `f64`'s mantissa is only 52 bits wide)
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--> tests/ui/cast_size.rs:44:5
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LL | 9_999_999_999_999_999usize as f64;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 18 previous errors
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